The characteristics of study cohort with or without late-onset depression (n = 45,973).

In patients aged ≧65 years, 12.9% were with late-onset depression.(LOD)Age- and gender-adjusted standardized incidence ratios(SIR) of dementia for patients aged ≧65 years with LOD was 2.785 (95% CI 2.619–2.958).Abbreviation: DM, diabetes mellitus; HTN, hypertension; COPD, chronic obstructive pulmonary disease; CRI, chronic renal insufficiency; IHD, ischemic heart disease; CHF, congestive heart failure; CVA, cerebrovascular accident; LOD, late-onset depressionThe characteristics of study cohort with or without late-onset depression (n = 45,973).